00482nam a2200157 a 450000500170000000800410001704100080005808200110006610000320007724500670010926400550017630000240023165000270025565000120028270000300029420260717090948.0260717s1975    ii            000 0 eng d  aeng04a530.151 aCourant, Richard, 1888-197210aMethods of mathematical physics /cCourant, Richard, 1888-1972 1aNew Delhi :bWiley Eastern private limited,c1975.  axv, 561 p. ; 23 cm. 4aMathematical materials 4aPhysics1 aHilbert, David, 1862-1943