%0 Journal Article %A Howland, James L. %T Iterative solution of elliptic systems and applications to the neutron diffusion equations of reactor physics, by Eugene L. Wachpress. Prentice-Hall Inc., Englewood Cliffs, N. J., 1966. xiv + 299 pages. $12.95. %J Canadian mathematical bulletin %D 1968 %P 345-346 %V 11 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500029386/ %R 10.1017/S0008439500029386 %F 10_1017_S0008439500029386