METHODS OF MATHEMATICAL PHYSICS
COURANT, R. and HILBERT, D.
METHODS OF MATHEMATICAL PHYSICS - NEW YORK INTERSCIENCE PUBLISHERS, INC. 1953 - xv, 561p
517.1/.9/ COU
METHODS OF MATHEMATICAL PHYSICS - NEW YORK INTERSCIENCE PUBLISHERS, INC. 1953 - xv, 561p
517.1/.9/ COU