(NrOVDENIE MIROW(B. (No^ERK SOWREMENNYH PREDSTAWLENIJ O WOZNIKNOWENII RAZWITII SOLNE^NOJ SISTEMYs - (NiWANOWSKIJ m(B.s ((NlENINGRADs (NmOLODAQ GWARDIQs, 1951)