Frontiers of Computer Science
Frontiers of Computer Science > 2013 > 7 > 5 > 617-626
Frontiers of Computer Science > 2013 > 7 > 5 > 673-693
Frontiers of Computer Science > 2013 > 7 > 5 > 627-649
Frontiers of Computer Science > 2019 > 13 > 4 > 715-734