000 00635nam a2200253Ia 4500
003 OSt
005 20220912153047.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a23090
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aB334:1, H9
100 _aSchouten J A
245 0 _aPfaff's problem and its generalizations
260 _c1949
300 _ap.
_ccm.
650 _aPartial differential equations
700 _a Kulk W v d
942 _hB334:1, H9
_cTEXL
_2CC
999 _c97444
_d97444