@article{MAN_1990__288_1_164724,
     author = {K. Spallek and P. Tworzewski and T. Winiarski},
     title = {Osgood-Hartogs-theorems of mixed type.},
     journal = {Mathematische Annalen},
     pages = {75--88},
     publisher = {mathdoc},
     volume = {288},
     number = {1},
     year = {1990},
     zbl = {0712.32002},
     url = {http://geodesic.mathdoc.fr/item/MAN_1990__288_1_164724/}
}