TY - BOOK AU - Tychonov,A.N. AU - Samarski,A.A. TI - Partial differential equations of mathematical physics U1 - 517.383 PY - 1964/// CY - San Francisco PB - Holden-Day KW - Differential equations KW - Mathematical physics N1 - Translation of [Uravnenii͡a matematicheskoĭ fiziki]; Bibliography: v. 1, p. [371]-376 ER -