@article{10_1007_s10587_015_0230_1,
     author = {Du\v{s}ek, Zden\v{e}k},
     title = {Singer-Thorpe bases for special {Einstein} curvature tensors in dimension 4},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1101--1115},
     publisher = {mathdoc},
     volume = {65},
     number = {4},
     year = {2015},
     doi = {10.1007/s10587-015-0230-1},
     mrnumber = {3441338},
     zbl = {06537713},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10587-015-0230-1/}
}