@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},
     year = {2008},
     volume = {58},
     number = {2},
     mrnumber = {2411101},
     zbl = {1174.47037},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2008_58_2_a10/}
}