%0 Journal Article %A S. M. Ivashkovich %T Envelopes of holomorphy of some tube sets in $\mathbf C^2$ and the monodromy theorem %J Izvestiya. Mathematics %D 1982 %P 189-196 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1982_19_1_a10/ %G en %F IM2_1982_19_1_a10