@article{VYURU_2013_6_1_a6,
     author = {V. S. Surov and I. V. Berezansky},
     title = {The {New} {Hyperbolic} {Models} of {Heterogeneous} {Environments}},
     journal = {Vestnik \^U\v{z}no-Uralʹskogo gosudarstvennogo universiteta. Seri\^a, Matemati\v{c}eskoe modelirovanie i programmirovanie},
     pages = {72--84},
     year = {2013},
     volume = {6},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VYURU_2013_6_1_a6/}
}