@article{TM_2010_271_a13,
     author = {Yu. L. Sachkov and S. V. Levyakov},
     title = {Stability of inflectional elasticae centered at vertices or inflection points},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {187--203},
     publisher = {mathdoc},
     volume = {271},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2010_271_a13/}
}