Communications in Mathematics and Statistics
Communications in Mathematics and Statistics > 2013 > 1 > 4 > 491-493
Communications in Mathematics and Statistics > 2013 > 1 > 4 > 437-464
Communications in Mathematics and Statistics > 2013 > 1 > 4 > 393-415
Communications in Mathematics and Statistics > 2013 > 1 > 4 > 465-489
Communications in Mathematics and Statistics > 2013 > 1 > 4 > 369-385
Communications in Mathematics and Statistics > 2013 > 1 > 4 > 387-392
Communications in Mathematics and Statistics > 2013 > 1 > 4 > 417-435