000 00526pam a2200181a 44500
008 160408b1982 xxu||||| |||| 00| 0 eng d
082 _a515.35
_bOv7gE
100 _aOvsiannikov, L. V.
245 1 _aGROUP ANALYSIS OF DIFFERENTIAL EQUATIONS
260 _aNew York
_bAcademic Pr.
_c1982
300 _axvi,416
500 _aTr. Of : Gruppovoi Analiz Differentsial'Nykh Uravnenii
650 _aDifferential Equations
650 _aTransformation Groups
700 _aAmes, W. F.
964 _gCIRC
997 _aA98217 C
999 _c293352
_d293352