@article{RM_1995_50_6_a7,
     author = {A. A. Davydov and L. Ortiz-Bobadil'ya},
     title = {Normal forms of folded elementary singular points},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1260--1261},
     publisher = {mathdoc},
     volume = {50},
     number = {6},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1995_50_6_a7/}
}