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@article{MZM_1989_46_3_a1, author = {A. A. Borisenko}, title = {Surfaces with {Chern--Lashof} absolute curvature equal to the area of the {Grassman} image}, journal = {Matemati\v{c}eskie zametki}, pages = {9--11}, publisher = {mathdoc}, volume = {46}, number = {3}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1989_46_3_a1/} }
A. A. Borisenko. Surfaces with Chern--Lashof absolute curvature equal to the area of the Grassman image. Matematičeskie zametki, Tome 46 (1989) no. 3, pp. 9-11. http://geodesic.mathdoc.fr/item/MZM_1989_46_3_a1/