@article{TM_2015_291_a2,
     author = {A. V. Arutyunov},
     title = {Caristi's condition and existence of a minimum of a lower bounded function in a metric space. {Applications} to the theory of coincidence points},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {30--44},
     publisher = {mathdoc},
     volume = {291},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2015_291_a2/}
}