Courant, R. .
Methods of Mathematical Physics / by R Courant and D Hilbert. - New York : Interscience Publishers , 1962 - xxii, 830p ;
Mathematics
B8 / K2.2;2
Methods of Mathematical Physics / by R Courant and D Hilbert. - New York : Interscience Publishers , 1962 - xxii, 830p ;
Mathematics
B8 / K2.2;2