Characterization of the set of values f(n) = [na], n = 1, 2, ... - Aviezri S. Fraenkel; Jonathan Levitt; Michael Shimshoni (Discret. Math., 1972)

Quantitative Multiparametric Two-Photon Imaging of Tissues. - Irene Georgakoudi; Jonathan Levitt; William Rice; David Kaplan (ISBI, 2009)