Knowles, Ian W. .
Spectral Theory of Differential Operators / - New York : North-Holland Publishing Company. - xv, 384p ;
0 444 8627 37
Mathematics
B3310t4p73,N81 / M1
Spectral Theory of Differential Operators / - New York : North-Holland Publishing Company. - xv, 384p ;
0 444 8627 37
Mathematics
B3310t4p73,N81 / M1