@article{VUU_2010_4_a16,
     author = {V. I. Rodionov and N. V. Rodionova},
     title = {Exact formulas for coefficients and residual of optimal approximate spline of simplest heat conduction equation},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {154--171},
     publisher = {mathdoc},
     number = {4},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2010_4_a16/}
}