@article{TMF_1977_31_1_a3,
     author = {A. K. Kazanskii},
     title = {Skeleton equations with subtractions and the $R$ operation},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {33--40},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1977_31_1_a3/}
}