000 00298nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a510 VYG;M
100 _aVygodsky, M
245 0 _aMathematical Hand book - Elementary Mathematics
260 _aMoscow
_bMir
942 _cGB
999 _c23497
_d23497