@article{CM_1984__53_3_303_0,
     author = {Friedman, Robert and Pinkham, Henry},
     title = {Smoothings of cusp singularities via triangle singularities},
     journal = {Compositio Mathematica},
     pages = {303--316},
     publisher = {Martinus Nijhoff Publishers},
     volume = {53},
     number = {3},
     year = {1984},
     mrnumber = {768826},
     zbl = {0594.14006},
     language = {en},
     url = {http://www.numdam.org/item/CM_1984__53_3_303_0/}
}