Cyclic brightening in the short-period WZ Sge-type cataclysmic variable SDSS J080434.20+510349.2
S. V. Zharikov, G. H. Tovmassian, V. V. Neustroev, R. Michel, C. Zurita, J. Echevarría, I. F. Bikmaev, E. P. Pavlenko, Y.-B. Jeon, G. G. Valyavin and A. Aviles