Search results
Aequationes mathematicae > 2017 > 91 > 3 > 547-561
Results in Mathematics > 2014 > 66 > 1-2 > 199-211
Journal of Mathematical Analysis and Applications > 2011 > 381 > 2 > 565-572
Aequationes mathematicae > 2011 > 81 > 1-2 > 155-165
Computers and Mathematics with Applications > 2010 > 59 > 9 > 3193-3202
Nonlinear Analysis > 2010 > 72 > 5 > 2465-2473
Journal of Mathematical Analysis and Applications > 2008 > 339 > 1 > 454-460
Aequationes mathematicae > 2007 > 74 > 3 > 318-320
Journal of Mathematical Analysis and Applications > 2005 > 302 > 1 > 196-200