@article{CMJ_2008__58_2_a10, author = {Attalienti, Antonio and Rasa, Ioan}, title = {Shape-preserving properties and asymptotic behaviour of the semigroup generated by the {Black-Scholes} operator}, journal = {Czechoslovak Mathematical Journal}, pages = {457--467}, publisher = {mathdoc}, volume = {58}, number = {2}, year = {2008}, mrnumber = {2411101}, zbl = {1174.47037}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMJ_2008__58_2_a10/} }