@article{1256054572,
author = {Carroll, Robert},
title = {On the propagator equation},
journal = {Illinois J. Math.},
volume = {11},
number = {4},
year = {1967},
pages = { 506-527},
language = {en},
url = {http://dml.mathdoc.fr/item/1256054572}
}
Carroll, Robert. On the propagator equation. Illinois J. Math., Tome 11 (1967) no. 4, pp. 506-527. http://gdmltest.u-ga.fr/item/1256054572/