%0 Journal Article %A Štěpán, Josef %A Dostál, Petr %T The $dX(t)=Xb(X)dt+X\sigma(X)dW$ equation and financial mathematics. I %J Kybernetika %D 2003 %P [653] %V 39 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_2003__39_6_a0/ %G en %F KYB_2003__39_6_a0