@article{MZ_1991__207_2_174282,
     author = {Davide Guidetti},
     title = {On interpolation with boundary conditions.},
     journal = {Mathematische Zeitschrift},
     pages = {439--460},
     publisher = {mathdoc},
     volume = {207},
     number = {2},
     year = {1991},
     zbl = {0713.46048},
     url = {http://geodesic.mathdoc.fr/item/MZ_1991__207_2_174282/}
}