@article{KYB_1982__18_4_a1,
     author = {L\'ansk\'a, V\v{e}ra},
     title = {Diffusion approximation for a controlled service system},
     journal = {Kybernetika},
     pages = {259--268},
     publisher = {mathdoc},
     volume = {18},
     number = {4},
     year = {1982},
     mrnumber = {688365},
     zbl = {0502.60083},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1982__18_4_a1/}
}