@article{RM_1991_46_4_a13,
     author = {Le Kuang Chung},
     title = {On a~non-coercive problem for singular integro-differential equations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {186--187},
     publisher = {mathdoc},
     volume = {46},
     number = {4},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1991_46_4_a13/}
}