@article{TMF_2015_184_1_a10,
     author = {A. T. Kotvitskii},
     title = {Gravitational lensing by straight cosmic strings},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {160--174},
     publisher = {mathdoc},
     volume = {184},
     number = {1},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2015_184_1_a10/}
}