<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-20T11:35:25Z</responseDate><request verb="GetRecord" identifier="oai:dspace.mit.edu:1721.1/27444" metadataPrefix="dim">https://dspace.mit.edu/server/oai/request</request><GetRecord><record><header><identifier>oai:dspace.mit.edu:1721.1/27444</identifier><datestamp>2026-06-10T13:26:02Z</datestamp><setSpec>com_1721.1_7582</setSpec><setSpec>com_1721.1_7581</setSpec><setSpec>col_1721.1_131022</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">Alar Toomre.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author" lang="en_US">Zang, Thomas Arthur</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="department">Massachusetts Institute of Technology. Department of Mathematics</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="accessioned">2008-10-02T19:14:02Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="available">2008-10-02T19:14:02Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="issued" lang="en_US">1976</dim:field>
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   <dim:field mdschema="dc" element="identifier" qualifier="oclc" lang="en_US">02404125</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Thesis. 1976. Ph.D.--Massachusetts Institute of Technology. Dept. of Mathematics.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Microfiche copy available in Archives and Science.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Bibliography: leaves 203-204.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="degree" lang="en_US">Ph.D.</dim:field>
   <dim:field mdschema="dc" element="format" qualifier="extent" lang="en_US">204 leaves</dim:field>
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   <dim:field mdschema="dc" element="rights" lang="en_US">M.I.T. theses are protected by 
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   <dim:field mdschema="dc" element="subject" lang="en_US">Mathematics</dim:field>
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   <dim:field mdschema="dc" element="subject" qualifier="lcsh" lang="en_US">Disks, Rotating</dim:field>
   <dim:field mdschema="dc" element="subject" qualifier="lcsh" lang="en_US">Stability</dim:field>
   <dim:field mdschema="dc" element="subject" qualifier="lcsh" lang="en_US">Celestial mechanics</dim:field>
   <dim:field mdschema="dc" element="title" lang="en_US">The stability of a model galaxy.</dim:field>
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   	&lt;Title>The stability of a model galaxy.&lt;/Title>
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