A. Ebadian, N. Ghobadipour, I. Nikoufar & M. Eshaghi Gordji
10.4208/ata.2014.v30.n4.2Anal. Theory Appl., 30 (2014), pp. 354-362.
A. Ebadian, N. Ghobadipour, I. Nikoufar & M. Eshaghi Gordji
10.4208/ata.2014.v30.n4.2Anal. Theory Appl., 30 (2014), pp. 354-362.