@article{ZNSL_1976_60_a8,
     author = {G. E. Mints},
     title = {What can be done with {PRA?}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {93--102},
     publisher = {mathdoc},
     volume = {60},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1976_60_a8/}
}