translate English to French: • Paktunc, A.D., Szymanski, J., Lastra, R., Laflamme, J.H.G., Enns, V. and Soprovich, E. (1998).
• Paktunc, A.D., J. Szymanski, R. Lastra, J.H.G. Laflamme, V. Enns et E. Soprovich.