@article{ZNSL_2018_472_a12,
     author = {E. K. Kulikov and A. A. Makarov},
     title = {Approximation by hyperbolic splines},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {179--194},
     publisher = {mathdoc},
     volume = {472},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2018_472_a12/}
}