@article{CM_1975__30_3_299_0,
     author = {Looijenga, Eduard},
     title = {A period mapping for certain semi-universal deformations},
     journal = {Compositio Mathematica},
     pages = {299--316},
     publisher = {Noordhoff International Publishing},
     volume = {30},
     number = {3},
     year = {1975},
     mrnumber = {376666},
     zbl = {0312.14006},
     language = {en},
     url = {http://www.numdam.org/item/CM_1975__30_3_299_0/}
}