000
00262nam a22001097a 4500
082
_a
515.35
_b
SIM.F
100
_a
Simmonds, James G
_a
Mann, James E.
245
_a
First look at perturbation theory
250
_a
2
260
_a
New York
_b
Dover
_c
1998
942
_c
BK
999
_c
211148
_d
211148