TY - JOUR AU - Pankov, Mark TI - Isometric embeddings of Johnson graphs in Grassmann graphs JO - Journal of Algebraic Combinatorics PY - 2011 SP - 555 EP - 570 VL - 33 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JAC_2011__33_4_a2/ LA - en ID - JAC_2011__33_4_a2 ER -