@article{ZNSL_1979_88_a5,
     author = {N. K. Kossovski},
     title = {On decision procedures for invariant properties of short algorithms},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {73--77},
     publisher = {mathdoc},
     volume = {88},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1979_88_a5/}
}