TY - JOUR AU - A. V. Il'ev AU - V. P. Il'ev TI - A characterization of matroids in terms of surfaces JO - Prikladnaâ diskretnaâ matematika PY - 2016 SP - 5 EP - 15 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDM_2016_3_a0/ LA - ru ID - PDM_2016_3_a0 ER -