Real algebraic spaces
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Serie 4, Volume 4 (1977) no. 4, p. 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},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 4},
     number = {4},
     year = {1977},
     pages = {599-612},
     zbl = {0371.14013},
     mrnumber = {460698},
     language = {en},
     url = {http://www.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, Serie 4, Volume 4 (1977) no. 4, pp. 599-612. http://www.numdam.org/item/ASNSP_1977_4_4_4_599_0/

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