@article{ITA_2008__42_2_271_0,
     author = {Czaja, Ludwik},
     title = {Calculi of net structures and sets are similar},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {271--284},
     publisher = {EDP-Sciences},
     volume = {42},
     number = {2},
     year = {2008},
     doi = {10.1051/ita:2007033},
     mrnumber = {2401262},
     zbl = {1144.68042},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ita:2007033/}
}