%0 Journal Article %A Shen, Guangjun %A Yan, Litan %A Chen, Chao %T Smoothness for the collision local time of two multidimensional bifractional Brownian motions %J Czechoslovak Mathematical Journal %D 2012 %P 969-989 %V 62 %N 4 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-012-0077-7/ %R 10.1007/s10587-012-0077-7 %G en %F 10_1007_s10587_012_0077_7