共 50 条
- [21] ABOUT SOME CLASSES OF EXTREMAL ORIENTED GRAPHS PRIKLADNAYA DISKRETNAYA MATEMATIKA, 2015, 30 (04): : 83 - 90
- [23] P-SEQUENCES OF GRAPHS AND EXTREMAL PROPERTIES OF TURAN GRAPHS DOKLADI NA BOLGARSKATA AKADEMIYA NA NAUKITE, 1977, 30 (04): : 475 - 478