Three-Dimensional Dissipative Optical Solitons in a Dielectric Medium with Quantum Dots M.Yu. Gubin, A.Yu. Leksin, S.M. Arakelian, M.G. Gladush and A.V. Prokhorov EPJ Web of Conferences, 103 (2015) 04004 Published online: 25 September 2015 DOI: 10.1051/epjconf/201510304004