@article{MZM_1983_34_1_a11,
     author = {V. B. Kalinin},
     title = {A problem of {Berge}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {131--133},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1983_34_1_a11/}
}