000
002480000a22001090004500
245
_a
Lectures in analytical mechanics
100
_a
Gantmacher, F.
260
_a
Moscow
_b
Mir Publishers
_c
1970
080
_a
531.01
_b
G3
041
_a
EN
942
_c
BK
999
_c
92803
_d
92803