@article{DAN_1983_269_5_a7,
     author = {Yu. P. Pyt'ev},
     title = {Morphological analysis of images},
     journal = {Doklady Akademii Nauk},
     pages = {1061--1064},
     publisher = {mathdoc},
     volume = {269},
     number = {5},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_269_5_a7/}
}