@article{AM2_1976__14_136583,
     author = {A. Sharma and M.A. Botto},
     title = {Averaging interpolation on sets with multiplicities. {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {243--244},
     publisher = {mathdoc},
     volume = {14},
     year = {1976},
     zbl = {0356.41001},
     url = {http://geodesic.mathdoc.fr/item/AM2_1976__14_136583/}
}