@article{CM_1980__42_3_279_0,
     author = {Dolgachev, Igor},
     title = {Cohomologically insignificant degenerations of algebraic varieties},
     journal = {Compositio Mathematica},
     pages = {279--313},
     publisher = {Sijthoff et Noordhoff International Publishers},
     volume = {42},
     number = {3},
     year = {1980},
     mrnumber = {607372},
     zbl = {0466.14003},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1980__42_3_279_0/}
}