GYŐRI, Ervin; KATONA, Gyula Y.; PAPP, László F. Constructions for the Optimal Pebbling of Grids. Periodica Polytechnica Electrical Engineering and Computer Science, [S. l.], v. 61, n. 2, p. 217–223, 2017. 10.3311/PPee.9724. Disponível em: https://pp.bme.hu/eecs/article/view/9724. Acesso em: 2 may. 2024.