TY - JOUR AU - N. K. Kossovski TI - On a~system of operators, simplifying the combination theory of $K$-algorithms JO - Zapiski Nauchnykh Seminarov POMI PY - 1968 SP - 66 EP - 79 VL - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1968_8_a7/ LA - ru ID - ZNSL_1968_8_a7 ER -