@article{TMF_1977_33_2_a8,
     author = {P. P. Kulish},
     title = {Conservation laws for a~string in a~static field},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {272--275},
     year = {1977},
     volume = {33},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1977_33_2_a8/}
}