Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1981__22_4_a2, author = {\v{S}vejdar, V{\'\i}t\v{e}zslav}, title = {A sentence that is difficult to interpret}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {661--666}, publisher = {mathdoc}, volume = {22}, number = {4}, year = {1981}, mrnumber = {647015}, zbl = {0484.03032}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1981__22_4_a2/} }
Švejdar, Vítězslav. A sentence that is difficult to interpret. Commentationes Mathematicae Universitatis Carolinae, Tome 22 (1981) no. 4, pp. 661-666. http://geodesic.mathdoc.fr/item/CMUC_1981__22_4_a2/