@article{10_4064_am_16_2_283_292,
     author = {K. Jakubczyk},
     title = {Approximation by circular splines for solutions of ordinary differential equations},
     journal = {Applicationes Mathematicae},
     pages = {283--292},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {1977},
     doi = {10.4064/am-16-2-283-292},
     zbl = {0408.65049},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-16-2-283-292/}
}