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@article{MZM_1999_66_1_a8, author = {A. F. Izmailov}, title = {Optimality conditions in extremal problems with nonregular inequality constraints}, journal = {Matemati\v{c}eskie zametki}, pages = {89--101}, publisher = {mathdoc}, volume = {66}, number = {1}, year = {1999}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1999_66_1_a8/} }
A. F. Izmailov. Optimality conditions in extremal problems with nonregular inequality constraints. Matematičeskie zametki, Tome 66 (1999) no. 1, pp. 89-101. http://geodesic.mathdoc.fr/item/MZM_1999_66_1_a8/