@article{DAN_1967_176_3_a14,
     author = {P. Erd\H{o}s and A. S\'ark\"ozy and E. Szemer\'edi},
     title = {The solvability of certain equations in the dense sequences of integers},
     journal = {Doklady Akademii Nauk},
     pages = {541--544},
     publisher = {mathdoc},
     volume = {176},
     number = {3},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_176_3_a14/}
}