@article{ITVS_2010_2_a6,
     author = {A. V. Maltsev and M. V. Mikhaylyuk},
     title = {Shadow simulation in virtual scenes with directed light sources},
     journal = {Informacionnye tehnologii i vy\v{c}islitelnye sistemy},
     pages = {68--74},
     publisher = {mathdoc},
     number = {2},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ITVS_2010_2_a6/}
}