%0 Journal Article
%A Colton, David L.
%T Perturbation Methods in Applied Mathematics, by Julian D. Cole. Blaisdell Publishing Company, Waltham, Massachusetts, 1968. 260 pages. U.S. $9.50.
%J Canadian mathematical bulletin
%D 1969
%P 248-249
%V 12
%N 2
%U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500030332/
%R 10.1017/S0008439500030332
%F 10_1017_S0008439500030332