Vaidya, S.K.; Parmar, A.D.
(The International J. Mathematical Combinatorics, 2019)
A set S ⊆ V (G) of vertices in a graph G is called a packing of G if the closed
neighborhood of the vertices of S are pairwise disjoint in G. A subset S of V (G) is called
an open packing of G if the open neighborhood ...