@Article{ KADETS_MARTÍN_MERÍ_Pérez_QUERO:1-58,

author = { VOLODYMYR KADETS and MIGUEL MARTÍN SUÁREZ and FRANCISCO JAVIER MERÍ DE LA MAZA and Antonio Pérez and ALICIA QUERO DE LA ROSA } ,

title = { On the numerical index with respect to an operator },

journal = { Dissertationes Mathematicae },

year = { 2020 },

volume = { 547 },

pages = { 1-58 },

}