@article{ZNSL_1978_76_a8,
     author = {G. V. Kuz'mina},
     title = {Maximum problem for the fourth diameter in a family of continua of fixed capacity},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {167--209},
     year = {1978},
     volume = {76},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1978_76_a8/}
}