@article{10_21136_AM_1989_104377,
     author = {Outrata, Ji\v{r}{\'\i} V.},
     title = {On necessary optimality conditions in a class of optimization problems},
     journal = {Applications of Mathematics},
     pages = {466--474},
     publisher = {mathdoc},
     volume = {34},
     number = {6},
     year = {1989},
     doi = {10.21136/AM.1989.104377},
     mrnumber = {1026511},
     zbl = {0699.90082},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1989.104377/}
}