@article{DAN_1988_302_6_a16,
     author = {V. Yu. Prudnikov and Yu. A. Chirkunov},
     title = {Group properties of equations in classical elasticity theory},
     journal = {Doklady Akademii Nauk},
     pages = {1353--1356},
     publisher = {mathdoc},
     volume = {302},
     number = {6},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_302_6_a16/}
}