TY - JOUR AU - V. F. Kirichenko AU - N. S. Baklashova TI - The Geometry of Contact Lee Forms and a Contact Analog of Ikuta's Theorem JO - Matematičeskie zametki PY - 2007 SP - 347 EP - 360 VL - 82 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2007_82_3_a2/ LA - ru ID - MZM_2007_82_3_a2 ER -