International Journal of Mathematics and Mathematical Sciences
Volume 9 (1986), Issue 3, Pages 583-587
doi:10.1155/S016117128600073X
Abstract
We examine the solvability of multilinear equations of the formMk(x,x,…,x)−k times−=y, k=2,3,…where Mk is a k-linear operator on a Banach space X and y∈X is fixed.