%PDF-1.5 % 4 0 obj << /S /GoTo /D (section.1) >> endobj 7 0 obj (Introduction ) endobj 8 0 obj << /S /GoTo /D (subsection.1.1) >> endobj 11 0 obj (Formulation of the problem and the main results) endobj 12 0 obj << /S /GoTo /D (subsection.1.2) >> endobj 15 0 obj (The Monge-Amp\350re property) endobj 16 0 obj << /S /GoTo /D (subsection.1.3) >> endobj 19 0 obj (Half-flatness and Lax pairs) endobj 20 0 obj << /S /GoTo /D (section.2) >> endobj 23 0 obj (Examples and classification results) endobj 24 0 obj << /S /GoTo /D (subsection.2.1) >> endobj 27 0 obj (Equations of the second heavenly type) endobj 28 0 obj << /S /GoTo /D (subsection.2.2) >> endobj 31 0 obj (Equations of the first heavenly type ) endobj 32 0 obj << /S /GoTo /D (subsection.2.3) >> endobj 35 0 obj (Equations of the general heavenly type ) endobj 36 0 obj << /S /GoTo /D (section.3) >> endobj 39 0 obj (Proofs of the main results) endobj 40 0 obj << /S /GoTo /D (section.4) >> endobj 43 0 obj (Translational invariance for integrable equations) endobj 44 0 obj << /S /GoTo /D [45 0 R /Fit] >> endobj 47 0 obj << /Length 1494 /Filter /FlateDecode >> stream xڭWKs6WH͘(^j'NIb%i$TAҎ}wE*t"}*A,bW<xO`ydYɃ,` o7Qc7."˖Vo<7ݎ(;UFb䶱{UѶlz.?sV@?Rx!`dsA"[^rV1w\ $9>g aA4b;#죳UEF]w3vKβ++aB&|$8S9/߯m('˲bOYr,|Z L A$ɘrz)qGIpի|v{]+9-~exޫάr6^u"gyD\4ڮ~CM+}ͺP;<Ѷ5D2PsFz:P3 Wө\~pjӜy6 tzC|M4GЇ4ɦN2t}1V\xwH 5!u]c|._* {˩}UZm>rxg) eL 'Y'Z"M1g2yfIԞ5HЏ4ɊЈLY)%^mmCbe,|A ĿD합甭$g+[ ĐZZGT?k+M5w_ RoM5-DzӱG͊$ٛAt<(YTFq|3(2w A77vnBWfÚq=Tp렄?]ǶУ
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