@article{01420706, title = {Path, trail and walk graphs.}, journal = {Acta Mathematica Universitatis Comenianae. New Series}, volume = {68}, year = {1999}, pages = {253-256}, zbl = {0942.05033}, language = {en}, url = {http://dml.mathdoc.fr/item/01420706} }
Knor, M.; Niepel, L'. Path, trail and walk graphs.. Acta Mathematica Universitatis Comenianae. New Series, Tome 68 (1999) pp. 253-256. http://gdmltest.u-ga.fr/item/01420706/