@article{Kholai_2010 author = {Omar Kholai and Saadoun Boudebous and Zoubir Nemouchi and Mourad Rebay}, title = {Pitchfork Bifurcation of the Mixed Convection in a Vertical Channel}, journal = {Heat Transfer Research}, issn = {1064-2285}, year = {2010}, volume = {41}, number = {3}, pages = {313--323} }