Mediterranean Journal of Mathematics
Mediterranean Journal of Mathematics > 2012 > 9 > 4 > 847-863
Mediterranean Journal of Mathematics > 2013 > 10 > 1 > 123-135
Mediterranean Journal of Mathematics > 2014 > 11 > 2 > 287-297
Mediterranean Journal of Mathematics > 2015 > 12 > 1 > 117-131
Mediterranean Journal of Mathematics > 2017 > 14 > 5 > 1-23