@article{FAA_1981_15_3_a1,
     author = {V. A. Vassiliev},
     title = {Characteristic classes of {Lagrangian} and {Legendre} manifolds dual to singularities of caustics and wave fronts},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {10--22},
     publisher = {mathdoc},
     volume = {15},
     number = {3},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1981_15_3_a1/}
}