(NsPRAWO^NIK PO WYS[EJ MATEMATIKE (B/s - (NwYGODSKIJ(B, (Nm(B.(Nq(B.s ((NmOSKWA (B:s [(NB(B. (NI(B.],s, 1957)
Keywords: (NwI]A MATEMATIKAs -- (NdOW)QÆDNIK(B.s)E