@article{VMP_2001_2_3_a0,
     author = {S. V. Porshnev},
     title = {Application of the {Mathcad} package to studying iterative methods for solving boundary value problems for ordinary
},
     journal = {Numerical methods and programming},
     pages = {1--6},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMP_2001_2_3_a0/}
}