@article{GHKPT13,
 author = {Irina Georgieva and Clemens Hofreither and Christoph Koutschan and Veronika Pillwein and Thotsaporn Thanatipanonda},
 title = {Harmonic interpolation based on {R}adon projections along the sides of regular polygons},
 journal = {Central European Journal of Mathematics},
 year = {2013},
 volume = {11},
 number = {4},
 pages = {609--620},
 doi = {10.2478/s11533-012-0160-1},
 isbn_issn = {ISSN 1895-1074},
}