Discrete Mathematics
Discrete Mathematics > 2017 > 340 > 4 > 678-690
Discrete Mathematics > 2017 > 340 > 4 > 644-648
Discrete Mathematics > 2017 > 340 > 9 > 2223-2233
Discrete Mathematics > 2017 > 340 > 4 > 678-690
Discrete Mathematics > 2017 > 340 > 4 > 644-648
Discrete Mathematics > 2017 > 340 > 9 > 2223-2233