TY - JOUR AU - V. S. Surov AU - I. V. Berezansky TI - The New Hyperbolic Models of Heterogeneous Environments JO - Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematičeskoe modelirovanie i programmirovanie PY - 2013 SP - 72 EP - 84 VL - 6 IS - 1 UR - http://geodesic.mathdoc.fr/item/VYURU_2013_6_1_a6/ LA - ru ID - VYURU_2013_6_1_a6 ER -