%0 Journal Article %A M. A. Evgrafov %A L. D. Kudryavtsev %A A. I. Markushevich %A S. M. Nikol'skii %T Ibragim Ibishevich Ibragimov (on his sixtieth birthday) %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1972 %P 168-173 %V 27 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1972_27_5_a4/ %G en %F RM_1972_27_5_a4