00531nam a2200169Ia 4500003000900000008004100009020002200050040001600072080001600088100001900104245012400123250001200247260004500259300001500304650002500319700001700344IN-BaIIA211028s9999 xx 000 0 eng d a978-81-7319-828-1 cIIA Library a517.58bKAU aKaushal, R. S. 0aAdvanced methods of mathematical physicscR. S. Kaushal and D. Parashar  a2nd ed. aNew DelhibNarosa Publishing Housec2008 axxi, 519p. aMathematical physics aParashar, D.