%0 Journal Article %A Muralidhar Prasad %A K. D. Singh %T On generalizations of pseudo-harmonic and pseudo-Killing vectors %J Annales Polonici Mathematici %D 1970 %P 215-225 %V 23 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-23-3-215-225/ %R 10.4064/ap-23-3-215-225 %G en %F 10_4064_ap_23_3_215_225