@article{DAN_1961_136_5_a10,
     author = {V. L. Murskii},
     title = {Equivalent transformations of contact-rectifier schemes},
     journal = {Doklady Akademii Nauk},
     pages = {1043--1046},
     publisher = {mathdoc},
     volume = {136},
     number = {5},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_136_5_a10/}
}