%0 Journal Article %A Uday Chand De %A Krishanu Mandal %T Ricci solitons and gradient Ricci solitons on $N(k)$-paracontact manifolds %J Žurnal matematičeskoj fiziki, analiza, geometrii %D 2019 %P 307-320 %V 15 %N 3 %U http://geodesic.mathdoc.fr/item/JMAG_2019_15_3_a0/ %G en %F JMAG_2019_15_3_a0