@article{DAN_1994_336_6_a0,
     author = {M. S. Burgin and Yu. M. Borodyanskii},
     title = {Operations and compositions in transrecursive operators},
     journal = {Doklady Akademii Nauk},
     pages = {727--729},
     publisher = {mathdoc},
     volume = {336},
     number = {6},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1994_336_6_a0/}
}