@article{105155, author = {Pavol Hell}, title = {Rigid undirected graphs with given number of vertices}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {009}, year = {1968}, pages = {51-69}, zbl = {0167.22101}, mrnumber = {0229542}, language = {en}, url = {http://dml.mathdoc.fr/item/105155} }
Hell, Pavol. Rigid undirected graphs with given number of vertices. Commentationes Mathematicae Universitatis Carolinae, Tome 009 (1968) pp. 51-69. http://gdmltest.u-ga.fr/item/105155/
On rigid undirected graphs, Can. J. Math. (1966), Vol. 18, 1237-1242. (1966) | MR 0200193
Kombinatorika v teorii a praxi, Praha 1964, NČSAV. (1964)