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@article{SEMR_2012_9_a48, author = {A. D. Aleksandrov}, title = {On the surfaces representable as difference of convex functions}, journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a}, pages = {360--376}, publisher = {mathdoc}, volume = {9}, year = {2012}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SEMR_2012_9_a48/} }
A. D. Aleksandrov. On the surfaces representable as difference of convex functions. Sibirskie èlektronnye matematičeskie izvestiâ, Tome 9 (2012), pp. 360-376. http://geodesic.mathdoc.fr/item/SEMR_2012_9_a48/