TY - JOUR AU - L. D. Akulenko AU - D. V. Georgievskii AU - S. V. Nesterov TI - Preface to the translations of two classic works of Jeffery and Hamel JO - Russian journal of nonlinear dynamics PY - 2009 SP - 99 EP - 100 VL - 5 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ND_2009_5_1_a10/ LA - ru ID - ND_2009_5_1_a10 ER -