%0 Journal Article %A G. E. Dzhems-Levi %T A nomographic method of proof of certain theorems %J Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta %D 1959 %P 249-252 %V 186 %N 186 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZMU_1959_186_186_a17/ %G ru %F UZMU_1959_186_186_a17