@article{DAN_1979_248_4_a18,
     author = {E. Yu. Ivanov and V. V. Boldyrev},
     title = {On the mechanism of polymorphous transition in ammonium perchlorate crystals},
     journal = {Doklady Akademii Nauk},
     pages = {862--865},
     publisher = {mathdoc},
     volume = {248},
     number = {4},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_248_4_a18/}
}