@article{DAN_1974_216_6_a8,
     author = {Yu. M. Pochtman and Z. I. Pyatigorskii},
     title = {Optimal design of adaptable structures as a method of establishing their limit state},
     journal = {Doklady Akademii Nauk},
     pages = {1237--1239},
     year = {1974},
     volume = {216},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_216_6_a8/}
}