@article{10_4153_CJM_1986_066_9, author = {Jawhari, El Moustafa and Pouzet, Maurice and Rival, Ivan}, title = {A {Classification} of {Reflexive} {Graphs:} {The} use of {{\textquotedblleft}Holes{\textquotedblright}}}, journal = {Canadian journal of mathematics}, pages = {1299--1328}, year = {1986}, volume = {38}, number = {6}, doi = {10.4153/CJM-1986-066-9}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1986-066-9/} }