TY - JOUR AU - G. A. Chumakov TI - Quasi-isometric almost orthogonal grids JO - Eurasian journal of mathematical and computer applications PY - 2019 SP - 18 EP - 43 VL - 7 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJMCA_2019_7_4_a1/ LA - en ID - EJMCA_2019_7_4_a1 ER -