TY  - JOUR
AU  - Cheng, Sui-Sun
TI  - Nonoscillatory Solutions of x(m) = (-1)mQ(t)x
JO  - Canadian mathematical bulletin
PY  - 1979
SP  - 17
EP  - 21
VL  - 22
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1979-003-x/
DO  - 10.4153/CMB-1979-003-x
ID  - 10_4153_CMB_1979_003_x
ER  -