000
00265nam a2200109 4500
008
160616s 000 0
245
_a
Introduction to the calculus of variations
100
_a
Pars, L.A
500
_a
B42 K22
942
_c
BK
_2
BK1317
080
_a
517.97 PAR
999
_c
1317
_d
1317