On the Problem of Erdos and Hajnal in the Case of List Colorings. - Anastasia P. Rozovskaya; Dmitry A. Shabanov (Electron. Notes Discret. Math., 2009)

On colorings of non-uniform hypergraphs without short cycles. - Anastasia P. Rozovskaya; Dmitry A. Shabanov (Electron. Notes Discret. Math., 2011)