TY - JOUR AU - V. D. Sedykh TI - Adjacency Indices for Singularities of Wave Fronts in Low Dimensional Spaces JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2010 SP - 88 EP - 91 VL - 44 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2010_44_3_a11/ LA - ru ID - FAA_2010_44_3_a11 ER -