%0 Journal Article %T Oscillation and nonoscillation theorems for some mixed difference equations %A B. Smith %A W. E. Taylor %J International Journal of Mathematics and Mathematical Sciences %D 1992 %I Hindawi Publishing Corporation %R 10.1155/s0161171292000693 %X In this paper we investigate the oscillatory and nonoscillatory behavior of solutions of certain mixed third and fourth order difference equations. Specific results are also obtained for the constant coefficient cases. %K mixed difference equations %K third and fourth order equations %K oscillatory and nonoscillatory solutions. %U http://dx.doi.org/10.1155/S0161171292000693