@article{SMJ2_2013_39_1_a2, author = {Tekcan, Ahmet and \"Ozko\c{c}, Arzu}, title = {Pell {Form} and {Pell} {Equation} via {Oblong} {Numbers}}, journal = {Serdica Mathematical Journal}, pages = {37--52}, publisher = {mathdoc}, volume = {39}, number = {1}, year = {2013}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SMJ2_2013_39_1_a2/} }