%% -*-BibTeX-*- @Article{Jh01, author = "P. K. Jha", title = "Optimal ${L}(2, 1)$-labeling of strong products of cycles", journal = "{IEEE Transactions on Circuits and Systems-I: Fundamental Theory and Applications}", volume = "48", number = "4", pages = "498--500", year = "2001", language = "English", }