@article{CM_1989__71_1_1_0,
     author = {Van Tan, Vo},
     title = {On the compactification problem for {Stein} surfaces},
     journal = {Compositio Mathematica},
     pages = {1--12},
     publisher = {Kluwer Academic Publishers},
     volume = {71},
     number = {1},
     year = {1989},
     mrnumber = {1008801},
     zbl = {0682.32025},
     language = {en},
     url = {http://www.numdam.org/item/CM_1989__71_1_1_0/}
}