@article{Stephan2009, author = {R{\"u}diger Stephan}, title = {Facets of the (s,t)-p-path polytope}, journal = {Discrete Appl. Math.}, volume = {157}, number = {14}, pages = {3119 -- 3132}, doi = {10.1016/j.dam.2009.06.003}, year = {2009}, language = {en} }