%0 Journal Article %A V. S. Vladimirov %T Nonlinear equations for $p$-adic open, closed, and open-closed strings %J Teoretičeskaâ i matematičeskaâ fizika %D 2006 %P 354-367 %V 149 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2006_149_3_a2/ %G ru %F TMF_2006_149_3_a2