@article{ASNSP_1972_3_26_3_665_0,
     author = {Rea, C.},
     title = {Levi-Flat submanifolds and holomorphic extension of foliations},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {665--681},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 26},
     number = {3},
     year = {1972},
     mrnumber = {425158},
     zbl = {0272.57013},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1972_3_26_3_665_0/}
}