%0 Journal Article %A V. A. Klimenko %T Summation of closed non-self-intersecting diagrams on a~triangular lattice %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1990 %P 35-39 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1990_12_a4/ %G ru %F IVM_1990_12_a4