@article{MZM_2002_71_6_a6,
     author = {M. Yu. Planida},
     title = {On the {Convergence} of {Solutions} of {Singularly} {Perturbed} {Boundary-Value} {Problems} for the {Laplace} {Operator}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {867--877},
     publisher = {mathdoc},
     volume = {71},
     number = {6},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2002_71_6_a6/}
}