@article{ZNSL_1969_16_a7,
     author = {M. I. Kanovitch},
     title = {On estimations of the complexity of bounded halting problem},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {77--80},
     publisher = {mathdoc},
     volume = {16},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1969_16_a7/}
}