000 00800nam a2200289Ia 4500
003 OSt
005 20220912153049.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a22719
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aB334, M5
100 _aKeng Hua Loo
245 0 _aSecond-order systems of partial differential equations of the plane
260 _aBoston
_bPitman
_c1985
300 _ap.
_ccm.
490 _aResearch notes in mathematics; 128
500 _aIncludes bibliography
650 _aDifferential equations
700 _a Ci-Quian Wu
700 _a Wei Lin
942 _hB334, M5
_cTEXL
_2CC
999 _c97555
_d97555