Belaïdi, Benharrat; Latreuch, Zinelâabidine
(J. Math. Sci. Univ. Tokyo, 2013)
The main purpose of this paper is to study the controllability
of solutions of one pair of linear differential equations
f
+ A(z) f = 0
and
g
+ B (z) g = 0.
We study the growth and oscillation of w = d1f + ...