00000nam a2200000 a 4500 20251203091008.0 510.8, D, geo _ Martini, R. Geometrical approaches to differential equations New York Springer-Verlag 1980 vii, 339p6c22 cm. Lecture notes in mathematics v. 810 Scheveningen conference on differential equations(4th: 1979: Netherlands) Differential equations, partial Geometry, Differential Eng 100 010 _ 37060 LIBSC C 26162 26162 0 0 0 0 PU PU 1998-04-08 0 510.8, D, geo 37060 BK