@article{EJDE_2005__2005__a94,
     author = {Li, Wan-Tong and Zhuang, Rong-Kun},
     title = {Interval oscillation criteria for second order forced nonlinear matrix differential equations},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2005},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a94/}
}