%0 Journal Article %A A. V. Arkhangel'skii %A A. N. Kolmogorov %A A. A. Mal'tsev %A O. A. Oleinik %T Pavel Sergeevich Aleksandrov (on his 80th birthday) %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1976 %P 1-13 %V 31 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1976_31_5_a0/ %G en %F RM_1976_31_5_a0