共 5 条
[1]
Gallai T., 1961, ACTA MATH ACADEMIAE, V12, P131, DOI [10.1007/BF02066678, DOI 10.1007/BF02066678]
[2]
KOTZIG A, 1956, THESIS KARLOVA U PRA
[3]
KOTZIG A, TO BE PUBLISHED
[5]
SIMMONS GJ, 1975, MATH SOC J BOLYAI, V10, P1277