@article{ZVMMF_1976_16_2_a29, author = {N. M. Nagornyi}, title = {Aussagenlogik und beweisverfahren: {H.~Freund,} {P.~Sorger} 136~p., {B.~G.~Teubner,} {Stuttgart,} 1974. {Book} review}, journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki}, pages = {535--536}, publisher = {mathdoc}, volume = {16}, number = {2}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/ZVMMF_1976_16_2_a29/} }