@article{ZNSL_2019_482_a14,
     author = {E. K. Kulikov and A. A. Makarov},
     title = {Quadratic minimal splines with multiple nodes},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {220--230},
     publisher = {mathdoc},
     volume = {482},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2019_482_a14/}
}