(NnEJTRON (B:s (Nk PQTIDESQTILETI@ OTKRYTIQ (B/s - (NfRANK(B, (Ni(B.(Nm(B.s; (NfRENKELX(B, (NwIKTOR qKOWLEWI^s ((NmOSKWA (B:s (NnAUKA(B,s, 1983)
Keywords: (NmATERIQs -- (NfIZI^ESKOE STROENIEs