000
00305nam a2200121 4500
008
160616s 000 0
245
_a
Contributions to differential equations
700
_a
Maryland University
500
_a
B33 K32.1 K32.2
942
_c
BK
_2
BK4356
080
_a
517.9 MAR
080
_a
517.9 MAR
999
_c
4356
_d
4356