@article{RSMUP_1978__59__269_0,
     author = {Casadei, Giorgio and Righi, Roberto and Teolis, Antonio G. B.},
     title = {Una teoria algebrica per i {\guillemotleft} guarded commands {\guillemotright} di {Dijkstra}},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {269--283},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {59},
     year = {1978},
     mrnumber = {547092},
     zbl = {0456.68027},
     language = {it},
     url = {http://archive.numdam.org/item/RSMUP_1978__59__269_0/}
}