@article{M2AN_2002__36_3_373_0,
     author = {Achdou, Yves and Tchou, Nicoletta},
     title = {Variational analysis for the {Black} and {Scholes} equation with stochastic volatility},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {373--395},
     publisher = {EDP-Sciences},
     volume = {36},
     number = {3},
     year = {2002},
     doi = {10.1051/m2an:2002018},
     mrnumber = {1918937},
     zbl = {1137.91421},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an:2002018/}
}