@article{DAN_1964_155_3_a19,
     author = {A. V. Nikolaev and V. L. Bogatyrev and A. I. Vulikh},
     title = {Ion exchange system $\mathrm{H}\dot{\vphantom{v}}$, $\mathrm{Ca}\ddot{\vphantom{v}}\parallel\mathrm{R}'$, 
},
     journal = {Doklady Akademii Nauk},
     pages = {607--610},
     publisher = {mathdoc},
     volume = {155},
     number = {3},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_155_3_a19/}
}