%0 Journal Article %A È. I. Grigolyuk %A L. M. Kurshin %A V. L. Prisekin %T Refinement of the plane reflection hypothesis %J Doklady Akademii Nauk %D 1964 %P 65-66 %V 155 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_155_1_a16/ %G ru %F DAN_1964_155_1_a16