%0 Journal Article %T Analytic continuation from a family of lines %A Alexander Tumanov %J Mathematics %D 2008 %I arXiv %X Given a function f in the exterior of a convex curve in the real plane, we prove that if the restrictions of f to the tangent lines to the curve extend as entire functions, then the function f is an entire function of two variables. %U http://arxiv.org/abs/0801.0462v1