Quantum chaology in the multiple well adjustable potential hetero-structure O. T. Lekeufack, S. B. Yamgoué and T. C. Kofané Eur. Phys. J. D, 48 2 (2008) 261-270 Published online: 07 May 2008 DOI: 10.1140/epjd/e2008-00084-4