@article{TVP_1970_15_2_a12,
     author = {I. P. Tsaregradskii},
     title = {On a~problem of search by networks},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {326--330},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1970_15_2_a12/}
}