TY - BOOK AU - Dubrovin B A AU - Fomenko A T AU - Novikov S P TI - Modern geometry: methods and applications T2 - Graduate tets in mathematics; 93 U1 - B6, M4 PY - 1984/// CY - New York PB - Springer-Verlag KW - Geometry N1 - Tr by Robert G Burns ER -