@article{KUIPM_1979_a4,
     author = {R. F. Khabibullin},
     title = {Problem of identifying a point},
     journal = {Issledovaniya po Prikladnoi Matematike i Informatike},
     pages = {33--40},
     publisher = {mathdoc},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUIPM_1979_a4/}
}