@article{GDZPPN00202697X,
title = {Invariant Measures and Functional Equations},
journal = {Aequationes mathematicae},
volume = {9},
year = {1973},
pages = {193-200},
zbl = {0269.28008},
url = {http://dml.mathdoc.fr/item/GDZPPN00202697X}
}
LASOTA, A. Invariant Measures and Functional Equations. Aequationes mathematicae, Tome 9 (1973) pp. 193-200. http://gdmltest.u-ga.fr/item/GDZPPN00202697X/