@article{BUMI_2010_9_3_3_a3,
     author = {Janczewska, Joanna},
     title = {The {Existence} and {Multiplicity} of {Heteroclinic} and {Homoclinic} {Orbits} for a {Class} of {Singular} {Hamiltonian} {Systems} in $\mathbf{R}^{2}$},
     journal = {Bollettino della Unione matematica italiana},
     pages = {471--491},
     publisher = {mathdoc},
     volume = {Ser. 9, 3},
     number = {3},
     year = {2010},
     zbl = {1214.37049},
     mrnumber = {2742777},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2010_9_3_3_a3/}
}