@article{TMF_1984_59_2_a7,
     author = {G. P. Pron'ko},
     title = {Theory of single-gap configurations of a relativistic string},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {240--248},
     year = {1984},
     volume = {59},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1984_59_2_a7/}
}