%0 Journal Article %A A. V. Arkhangel'skii %A V. M. Tikhomirov %T Pavel Samuilovich Urysohn (1898--1924) %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1998 %P 875-892 %V 53 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1998_53_5_a0/ %G en %F RM_1998_53_5_a0