@article{TMF_2018_195_1_a10,
     author = {S. S. Akhtar and T. Hussain and A. H. Bokhari and F. Khan},
     title = {Conformal collineations of {the~Ricci} and energy--momentum tensors in static plane symmetric space--times},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {117--129},
     publisher = {mathdoc},
     volume = {195},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2018_195_1_a10/}
}