@article{ARM_1999__35_4_a0,
     author = {Dal{\'\i}k, Josef},
     title = {Stability of quadratic interpolation polynomials in vertices of triangles without obtuse angles},
     journal = {Archivum mathematicum},
     pages = {285--297},
     publisher = {mathdoc},
     volume = {35},
     number = {4},
     year = {1999},
     mrnumber = {1744516},
     zbl = {1051.41002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1999__35_4_a0/}
}