%0 Journal Article %A Kossowski, Marek %T Fiber Completions, Contact Singularities and Single Valued Solutions for C ∞-Second Order Ode %J Canadian journal of mathematics %D 1996 %P 849-870 %V 48 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1996-043-9/ %R 10.4153/CJM-1996-043-9 %F 10_4153_CJM_1996_043_9