@article{MS2_1989__65_2_167076,
     author = {L.A. Tarrio and A. G. Rodicio},
     title = {On the upper semicontinuity intersection defect.},
     journal = {Mathematica Scandinavica},
     pages = {161--164},
     publisher = {mathdoc},
     volume = {65},
     number = {2},
     year = {1989},
     zbl = {0733.13014},
     url = {http://geodesic.mathdoc.fr/item/MS2_1989__65_2_167076/}
}