@article{DE_1990_26_11_a21,
     author = {N. B. Ampilova and S. Yu. Pilyugin},
     title = {A lower bound on the {Hausdorff} dimension of homoclinic structures on the plane},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1999--2000},
     publisher = {mathdoc},
     volume = {26},
     number = {11},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_11_a21/}
}