Journal of Mathematics and Applications
Journal of Mathematics and Applications > 2006 > Vol. 28 > 127-130
Journal of Mathematics and Applications > 2014 > Vol. 37 > 97--109
Journal of Mathematics and Applications > 2017 > Vol. 40 > 161--170
Journal of Mathematics and Applications > 2006 > Vol. 28 > 127-130
Journal of Mathematics and Applications > 2014 > Vol. 37 > 97--109
Journal of Mathematics and Applications > 2017 > Vol. 40 > 161--170