TY - JOUR AU - V. D. Sedykh TI - The Topology of Adjacencies of Type $A$ and $D$ Lagrangian Singularities JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2014 SP - 83 EP - 88 VL - 48 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2014_48_4_a9/ LA - ru ID - FAA_2014_48_4_a9 ER -