Proceedings - Mathematical Sciences
Proceedings - Mathematical Sciences > 2009 > 119 > 1 > 53-62
Proceedings - Mathematical Sciences > 2009 > 119 > 3 > 383-386
Proceedings - Mathematical Sciences > 2009 > 119 > 5 > 635-645
Proceedings - Mathematical Sciences > 2009 > 119 > 1 > 53-62
Proceedings - Mathematical Sciences > 2009 > 119 > 3 > 383-386
Proceedings - Mathematical Sciences > 2009 > 119 > 5 > 635-645