@article{DAN_1963_152_6_a3,
     author = {Van Tung},
     title = {The enlargement property of direct values of generalized potentials for the comparison function and the 
},
     journal = {Doklady Akademii Nauk},
     pages = {1288--1291},
     publisher = {mathdoc},
     volume = {152},
     number = {6},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_6_a3/}
}