000 00508nam a2200181 4500
001 18879/75
005 20130515014621.0
008 111112s9999 xx 000 0 und d
020 _a335 01172 1
082 0 0 _a531. uni
100 1 _a"0, . "
_93953
245 1 0 _aunit 4 a field of force and some numerical methods of solvin:
_bg differential equaations/
_c ..
250 _a1 ed.
260 _auk :
_bo.u.p.
_c1972.
300 _a", 52p.;
_c30 cm."
504 _aincludes bibliography
942 _2lcc
_cBK
999 _c23473
_d23473