@article{10_1007_s10587_012_0063_0,
     author = {Chand De, Uday and De, Avik},
     title = {On almost pseudo-conformally symmetric {Ricci-recurrent} manifolds with applications to relativity},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1055--1072},
     publisher = {mathdoc},
     volume = {62},
     number = {4},
     year = {2012},
     doi = {10.1007/s10587-012-0063-0},
     mrnumber = {3010256},
     zbl = {1274.53049},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-012-0063-0/}
}