@article{105034, author = {V\'aclav Chv\'atal}, title = {On finite and countable rigid graphs and tournaments}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {006}, year = {1965}, pages = {429-438}, zbl = {0132.21401}, mrnumber = {0190023}, language = {en}, url = {http://dml.mathdoc.fr/item/105034} }
Chvátal, Václav. On finite and countable rigid graphs and tournaments. Commentationes Mathematicae Universitatis Carolinae, Tome 006 (1965) pp. 429-438. http://gdmltest.u-ga.fr/item/105034/
On continuity structures and spaces of mappings, Comm. Math. Univ. Carol. 6, 2 (1965), 257-278. (1965) | MR 0193608