@article{IM2_1969_3_5_a6,
     author = {R. Sh. Liptser and A. N. Shiryaev},
     title = {On the density of probability measures of diffusion-type processes},
     journal = {Izvestiya. Mathematics },
     pages = {1055--1066},
     publisher = {mathdoc},
     volume = {3},
     number = {5},
     year = {1969},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1969_3_5_a6/}
}