(NfUNKCII I PREDELY(B. (NpROIZWODNAQs - (NmACKIN(B,(Nm(B. (Ns(B.s (NmATWEJ sEMENOWI^s; (NmACKINA(B,(Nr(B. (N`(B.s (NrOZA `DOWNAs ((Nm(B.s (NpROSWE]ENIEs, 1968)
Keywords: (NfUNKCII (B((NMAT(B.)s; (NpREDELY (B((NMAT(B.)s; (NpROIZWODNAQ (B((NMAT(B.)s; (NmATEMATIKAs -- (NmETODI^ESKIE POSOBIQs