@article{FAA_1983_17_4_a11,
     author = {S. M. Gusein-Zade and N. N. Nekhoroshev},
     title = {Contiguity of $A_k$-singularities at points of the stratum $\mu=\operatorname{const}$ of a singularity},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {82--83},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1983_17_4_a11/}
}