@conference {00_MMS_Ruiz-CruzRebollar_Somepropertiesof, title = {Some properties of generalized matrices and their application to the Mode-Matching technique}, booktitle = {Proc. 2000 International Mediterranean Microwave Symp.}, year = {2000}, month = {May}, pages = {62-65}, author = {J A Ruiz-Cruz and Rebollar, J M} }