We invite you to watch a sort film on the program "Mathematical dialog in kindergarten". The main goal of this program, is to develop mathematics through a dialogue between the adult and the child.
Recursion over partitions: Moshe Klein and Andrei Khrennikov, p-Adic Numbers, Ultrametric Analysis and Applications, 2014, Vol. 6, No. 4, pp. 303–309. c Pleiades Publishing, Ltd., 2014.
Quantum Integers: Andrei Khrennikov and Moshe Klein and Tal Mor Published at AIP conference proceedings no 1232 (2010)