Geodesic
The Topology of Adjacencies of Type $A$ and $D$ Lagrangian Singularities
Funkcionalʹnyj analiz i ego priloženiâ, Tome 48 (2014) no. 4, pp. 83-88.

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Adjacencies of multisingularities of stable Lagrangian maps with singularities of types $A_\mu^\pm$ and $D_\mu^\pm$ are studied.
Keywords: Lagrangian map, multisingularity, adjacency index, Euler characteristic. 
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V. D. Sedykh. The Topology of Adjacencies of Type $A$ and $D$ Lagrangian Singularities. Funkcionalʹnyj analiz i ego priloženiâ, Tome 48 (2014) no. 4, pp. 83-88. http://geodesic.mathdoc.fr/item/FAA_2014_48_4_a9/

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