@article{GDZPPN002045087,
title = {A ...-calculus with an algorithmic ... .},
journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
volume = {20},
year = {1980},
pages = {41-52},
zbl = {0432.03011},
url = {http://dml.mathdoc.fr/item/GDZPPN002045087}
}
Longo, G.; Venturini Zilli, M. A ...-calculus with an algorithmic ... .. Archiv für mathematische Logik und Grundlagenforschung, Tome 20 (1980) pp. 41-52. http://gdmltest.u-ga.fr/item/GDZPPN002045087/