@article{KYB_1982__18_Suppl_a0,
     author = {Mandl, Petr},
     title = {Martingale methods in discrete state random processes},
     journal = {Kybernetika},
     publisher = {mathdoc},
     volume = {18},
     number = {Suppl},
     year = {1982},
     mrnumber = {679787},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1982__18_Suppl_a0/}
}