@article{CMH_1970__45_139431,
     author = {Otto Forster},
     title = {Plongements des vari\'et\'es de {Stein.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {170--184},
     publisher = {mathdoc},
     volume = {45},
     year = {1970},
     zbl = {0184.31403},
     url = {http://geodesic.mathdoc.fr/item/CMH_1970__45_139431/}
}