@article{TMF_1994_101_3_a0,
     author = {V. E. Adler},
     title = {A~modification of {Crum's} method},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {323--330},
     publisher = {mathdoc},
     volume = {101},
     number = {3},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1994_101_3_a0/}
}