Shan, S. (2025). Hamiltonian cycles in tough $(P_4 \cup P_1)$-free graphs.
Chicago Style (17th ed.) CitationShan, Songling. Hamiltonian Cycles in Tough $(P_4 \cup P_1)$-free Graphs. 2025.
MLA (9th ed.) CitationShan, Songling. Hamiltonian Cycles in Tough $(P_4 \cup P_1)$-free Graphs. 2025.
Warning: These citations may not always be 100% accurate.