@article{VMP_2001_2_3_a1,
     author = {S. V. Porshnev},
     title = {Application of the {Mathcad} package to studying iterative methods for solving boundary value problems for two-dimensional elliptic differential equations},
     journal = {Numerical methods and programming},
     pages = {7--14},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMP_2001_2_3_a1/}
}