Geometric theory of non-lingear differential equations,Backlund transformations, and solitions.
Hermann, Robert.
Geometric theory of non-lingear differential equations,Backlund transformations, and solitions. - Brookline. Mass, Math SCI Press. 1977
516.36 / HER
Geometric theory of non-lingear differential equations,Backlund transformations, and solitions. - Brookline. Mass, Math SCI Press. 1977
516.36 / HER