@article{VMUMM_2002_3_a4,
     author = {O. N. Kirillov and A. P. Seyranian},
     title = {On a nonsmooth optimization problem},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {29--34},
     publisher = {mathdoc},
     number = {3},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2002_3_a4/}
}