(NoTKRYTYJ I GIDRAWLI^ESKIJ SPOSOBY DOBY^I UGLQ (B/s - (NzWQGINCEWA(B, (NkLAWDIQ mIHAJLOWNAs ((NmOSKWA (B: s (NzNANIE(B,s, 1959)
Keywords: (NuGLEDOBY^A OTKRYTAQs; (NuGLEDOBY^A s -- (NgIDROMEHANIZACIQs