Methoden Der Mathematischen Physik [Erster Band und Zweiter Band].
New York: Interscience Publishers, [1937]. Hardcover. 2 volume set. 23.5 x 15.5 cm. Octavo. 469pp, 549pp. Undated photo-lithoprint reproduction of the 1937 Berlin Verlag von Julius Springer edition. German langauge text. Bound in blue cloth. Previous owner's name on front free endpaper and title page of both volumes. More