@article{1183745816,
author = {Barwise, Jon and van Benthem, Johan},
title = {Interpolation, Preservation, and Pebble Games},
journal = {J. Symbolic Logic},
volume = {64},
number = {1},
year = {1999},
pages = { 881-903},
language = {en},
url = {http://dml.mathdoc.fr/item/1183745816}
}
Barwise, Jon; van Benthem, Johan. Interpolation, Preservation, and Pebble Games. J. Symbolic Logic, Tome 64 (1999) no. 1, pp. 881-903. http://gdmltest.u-ga.fr/item/1183745816/