%0 Journal Article %A P. M. Akhmet'ev %T $\operatorname{Prem}$-mappings, triple self-intersection points of oriented surfaces, and the Rokhlin signature theorem %J Matematičeskie zametki %D 1996 %P 803-810 %V 59 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1996_59_6_a0/ %G ru %F MZM_1996_59_6_a0