@article{MZM_1973_13_6_a12,
     author = {L. M. Pavlotskaya},
     title = {Solvability of the halting problem for certain classes of {Turing} machines},
     journal = {Matemati\v{c}eskie zametki},
     pages = {899--909},
     publisher = {mathdoc},
     volume = {13},
     number = {6},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1973_13_6_a12/}
}