000
00273nam a2200109 4500
008
160616s 000 0
245
_a
Theory of partial differential equations
100
_a
Lieberstein, H. Melvin
500
_a
B334 L2
942
_c
BK
_2
BK661
080
_a
517.95 LIB
999
_c
661
_d
661