@article{JRAM_1983__341_152536,
     author = {Yu.G. Zarhin},
     title = {Hodge groups of {K3} surfaces.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {193--220},
     publisher = {mathdoc},
     volume = {341},
     year = {1983},
     zbl = {0506.14034},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1983__341_152536/}
}