000 004880000a22001690004500
008 170808t1952 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a517.9
_bL4
942 _cBK
_01
100 _aLeighton, Walter
245 _aAn Introduction to the theory of differential equations
250 _a1st ed.
260 _aNew York
_bMcGraw-Hill
_c1952
300 _aviii, 174p. : ill.
440 _aInternational series Pure and Applied mathematics
650 _aDIFFERNTIAL EQUATIONS
999 _c51554
_d51554