000
00221 a2200097 4500
001
17459
100
_a
Bluman
245
_a
Similarity methods for differential equations
260
_a
_b
Springer
_c
090
_c
12900
_d
12900
942
_a
NUST-CAE
_c
M
_c
3226
999
_c
252532
_d
252532