@article{01274721,
title = {A deductive calculus for conditional equational systems with built-in predicates as premises.},
journal = {Revista Colombiana de Matem\'aticas},
volume = {31},
year = {1997},
pages = {77-98},
zbl = {0918.68066},
language = {en},
url = {http://dml.mathdoc.fr/item/01274721}
}
Ayala-Rincón, Mauricio. A deductive calculus for conditional equational systems with built-in predicates as premises.. Revista Colombiana de Matemáticas, Tome 31 (1997) pp. 77-98. http://gdmltest.u-ga.fr/item/01274721/