@article{10_4064_ap_23_3_215_225,
     author = {Muralidhar Prasad and K. D. Singh},
     title = {On generalizations of pseudo-harmonic and {pseudo-Killing} vectors},
     journal = {Annales Polonici Mathematici},
     pages = {215--225},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {1970},
     doi = {10.4064/ap-23-3-215-225},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-23-3-215-225/}
}