000 00293nam a2200133Ia 4500
008 220709b1961 xxu||||| |||| 00| 0 eng d
082 _a515.3525
_bS15N
100 _aSansone, G.
245 _aNon-linear differential equations
260 _aOxford
_bPergamon
_c1961
964 _bEnglish
964 _ePaper
942 _cBooks
906 _a41173
981 _aOxford: Pergamon, 1961.
983 _aNon-linear differential equations
999 _c40963
_d40963