(No METODE ESTESTWENNYH NAUK I ZNA^ENII IH W OB]EM OBRAZOWANII (B/ s - (NsTRAHOW(B, (NnIKOLAJ nIKOLAEWI^(B. s ((NkIEW (B:s (Ni(B.(Np(B. (NmAT^ENKO(B, s, 1900)
Keywords: (NeSTESTWENNYE NAUKIs