(NmATEMATIKA STAWIT \KSPERIMENT (B/s - (NmOISEEW(B, (NnIKITA nIKOLAEWI^s ((NmOSKWA (B:s (NnAUKA(B. (NgL(B. (NRED(B. (NFIZ(B.-(NMAT(B. (NLIT(B.,s, 1979)
Keywords: (NmATEMATIKAs