01107nam a2200361 4500 DLU110121376 ##20110518 ##911021r19911954nyu 000 0 eng 91039231 0486669025 : .95 (DLC) 91039231 DLC DLC DLC eng rus 515.353 PE-I Petrovsky, I. G. (Ivan Georgievich) Lectures on partial differential equations / I.G. Petrovsky ; translated by A. Shenitzer. New York : Dover Publications, Inc., 1991. x, 245 p. ; 21x30 cm. Previously published: New York : Interscience Publishers, Inc., 1954. Translation of: Lekt︠s︡ii ob uravnenii︠a︡kh s chastnymi proizvodnymi. Differential equations, Partial. Shenitzer, Abe. 01/2011TN GT 0 KTN True Đào Thị Thu Huyền G A SH Thư viện Trường Đại học Đà Lạt