bagnoe@jct.ac.il
garber@hit.ac.il
toufik@math.haifa.ac.il
robertsh@ariel.ac.il
© 2015 Eli Bagno, David Garber, Toufik Mansour, Robert Shwartz, published by Corvinus University of BudapestThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.