(NoB OPTIMALXNYH USLOWIQH [LIFOWANIQ OPTI^ESKIH DETALEJ (B/s - (NaLEKSANDROW(B, (NiWAN eFIMOWI^s; (NfREJBERG(B, (Ns(B.(Ni(B.s ((NmOSKWA (B:s (NoBORONGIZ(B,s, 1953)
Keywords: (NoPTI^ESKOE STEKLO s -- (N{LIFOWKAs; (NoPTIKAs