Search results for: John R. Graef
Journal of Mathematical Analysis and Applications > 2015 > 423 > 2 > 1693-1703
Applied Mathematics Letters > 2013 > 26 > 4 > 383-386
Computers and Mathematics with Applications > 2012 > 63 > 4 > 775-782
Applied Mathematics and Computation > 2008 > 196 > 1 > 333-339