@article{ASNSP_1973_3_27_4_787_0,
     author = {Valabrega, Paolo},
     title = {On two-dimensional regular local rings and a lifting problem},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {787--807},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 27},
     number = {4},
     year = {1973},
     mrnumber = {364228},
     zbl = {0301.13010},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1973_3_27_4_787_0/}
}