Discrete Mathematics
Discrete Mathematics > 2017 > 340 > 2 > 18-22
Discrete Mathematics > 2017 > 340 > 11 > 2691-2703
Discrete Mathematics > 2017 > 340 > 12 > 2978-2985
Discrete Mathematics > 2017 > 340 > 2 > 18-22
Discrete Mathematics > 2017 > 340 > 11 > 2691-2703
Discrete Mathematics > 2017 > 340 > 12 > 2978-2985