[1] MALKEWITCH J.:
On the lengths of cycles in planar graphs. Lecture Notes in Mathematics - Recent Trends in Graph Theory, Berlin-Heidelberg-New York 186, 1971, 191-195.
MR 0289345
[2] JACOŠ V., JENDROL' S.:
A problem concerning j-pancyclic graphs. Mat. Čas. 24, 1974, 259-262.
MR 0376442 |
Zbl 0285.05111