000 00300nas a22001097a 4500
003 USJPLib
008 180126b xxu||||| |||| 00| 0 eng d
041 _aEng.
245 _aSoviet Mathematics, Vol. 9, No. 4-6
260 _aRhode Island
_bThe American Mathematical Society
_c1968
942 _2ddc
_cBP
_s1
999 _c147786
_d147786