@article{1183740631, author = {Jones, Gregory W.}, title = {Review: Leonidas Hegenberg, Logica. O Calculo de Predicados}, journal = {J. Symbolic Logic}, volume = {45}, number = {1}, year = {1980}, pages = { 632-633}, language = {en}, url = {http://dml.mathdoc.fr/item/1183740631} }
Jones, Gregory W. Review: Leonidas Hegenberg, Logica. O Calculo de Predicados. J. Symbolic Logic, Tome 45 (1980) no. 1, pp. 632-633. http://gdmltest.u-ga.fr/item/1183740631/