ZBIRNYK PRATS INSTITUTU MATEMATIKI. AKADEMIYA NAUK URSR.
Kiev,n.1(1938)-n.6(1941).
-Zbirnyk Prats Inst.Mat.Akad.Nauk URSR
---> ZG-1
1(1938)-2(1939); 4(1940)-6(1941).
Publisher : Akademija Nauk URSR--->
National Academy of Sciences. Ukraine. Kiev