@article{DAN_1963_152_5_a28,
     author = {G. V. Tsitsishvili and G. D. Bagratishvili and K. A. Bezhashvili and D. N. Barnabishvili and M. S. Shuakrishvili},
     title = {Production and investigation of type~$\mathrm{X}$ ceolites in ammonium and hydrogen ion-exchange forms},
     journal = {Doklady Akademii Nauk},
     pages = {1136--1139},
     publisher = {mathdoc},
     volume = {152},
     number = {5},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_5_a28/}
}