no. 4
Real algebraic spaces
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 4 (1977) no. 4, pp. 599-612. 
@article{ASNSP_1977_4_4_4_599_0,
     author = {Sommese, Andrew John},
     title = {Real algebraic spaces},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {599--612},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 4},
     number = {4},
     year = {1977},
     zbl = {0371.14013},
     mrnumber = {460698},
     language = {en},
     url = {archive.numdam.org/item/ASNSP_1977_4_4_4_599_0/}
}
Sommese, Andrew John. Real algebraic spaces. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 4 (1977) no. 4, pp. 599-612. http://archive.numdam.org/item/ASNSP_1977_4_4_4_599_0/

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