TY - JOUR AU - S. Bak TI - The existence of heteroclinic travelling waves in the discrete sine-Gordon equation with nonlinear interaction on a $\mathrm{2D}$-lattice JO - Žurnal matematičeskoj fiziki, analiza, geometrii PY - 2018 SP - 16 EP - 26 VL - 14 IS - 1 UR - http://geodesic.mathdoc.fr/item/JMAG_2018_14_1_a1/ LA - en ID - JMAG_2018_14_1_a1 ER -