000 00529nam a2200181Ia 4500
008 220718s1989||||xx |||||||||||||| ||und||
020 _a0387969969
082 _a10.01+10.02+10.11
_bBLUM
100 1 _aBluman, G.W & Kumei, S
110 _aKumei, S
245 1 _aSymmetries & differential equations
_cG.W. Bluman & S. Kumei
260 _aNew York
_bSpringer
_c1989
300 _axiii
_e412
490 _aApplied mathematical sciences 81
690 _aDifferential Equations
690 _aSymmetries
942 _cBK
999 _c19979
_d19979