@article{1183742235,
author = {Weaver, George and Welaish, Jeffrey},
title = {Back and Forth Constructions in Modal Logic: An Interpolation Theorem for a Family of Modal Logics},
journal = {J. Symbolic Logic},
volume = {51},
number = {1},
year = {1986},
pages = { 969-980},
language = {en},
url = {http://dml.mathdoc.fr/item/1183742235}
}
Weaver, George; Welaish, Jeffrey. Back and Forth Constructions in Modal Logic: An Interpolation Theorem for a Family of Modal Logics. J. Symbolic Logic, Tome 51 (1986) no. 1, pp. 969-980. http://gdmltest.u-ga.fr/item/1183742235/