Front cover image for Plane waves and spherical means applied to partial differential equations

Plane waves and spherical means applied to partial differential equations

Fritz John
Print Book, English, 2004
Dover Publications, Mineola, N.Y., 2004
172 pages : illustrations ; 22 cm
9780486438047, 048643804X
54882070
Originally published: New York : Interscience Publishers, 1955