@article{DAN_1977_236_3_a12,
     author = {V. D. Klyushnikov and V. V. Kupavtsev},
     title = {Two-sided estimates of critical loads of inhomogeneously compressed rods},
     journal = {Doklady Akademii Nauk},
     pages = {561--564},
     publisher = {mathdoc},
     volume = {236},
     number = {3},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_236_3_a12/}
}