@article{MZM_2013_94_1_a5,
     author = {V. F. Butuzov},
     title = {On the {Special} {Properties} of the {Boundary} {Layer} in {Singularly} {Perturbed} {Problems} with {Multiple} {Root} of the {Degenerate} {Equation}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {68--80},
     publisher = {mathdoc},
     volume = {94},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2013_94_1_a5/}
}