@article{PDM_2011_13_a45,
     author = {I. S. Grunsky and S. V. Sapunov},
     title = {On mobile agent self-location using topological properties of environment},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {90--91},
     publisher = {mathdoc},
     number = {13},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2011_13_a45/}
}