Stephenson, G.
An introduction to partial differential equations for science students Stephenson, G. - 2nd - London: Longman, 1970. - 152p.
0582444314
Differential equations
515.353 / STI
An introduction to partial differential equations for science students Stephenson, G. - 2nd - London: Longman, 1970. - 152p.
0582444314
Differential equations
515.353 / STI