@article{10_4064_fm_51_1_45_64, author = {C. Lekkeikerker and J. Boland}, title = {Representation of a finite graph by a set of intervals on the real line}, journal = {Fundamenta Mathematicae}, pages = {45--64}, publisher = {mathdoc}, volume = {51}, number = {1}, year = {1962}, doi = {10.4064/fm-51-1-45-64}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-51-1-45-64/} }