@article{TIMM_2009_15_4_a3,
     author = {V. I. Bakhtin and V. V. Gorokhovik},
     title = {Optimality conditions of first and second order in vector optimization problems on metric spaces},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {32--43},
     publisher = {mathdoc},
     volume = {15},
     number = {4},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2009_15_4_a3/}
}