(NsOFXQ kOWALEWSKAQ (B/s - (NhALAMAJZER(B, (NaLEKSANDR qKOWLEWI^s ((NmOSKWA (B:s (Nb(B. (NI(B.,s, 1989)
Keywords: (NkOWALEWSKAQ(B, (NsOFXQ wASILXEWNA(B,s -- 1850-1891; (NmATEMATI^ESKAQ NAUKAs -- (NrOSSIQs -- 19 (NW(B.s