@article{DAN_1963_152_5_a22,
     author = {A. V. Nikolaev and Yu. A. Afanas'ev and A. I. Ryabinin},
     title = {The extraction system $\mathrm{Th}(\mathrm{NO}_3)_4$ -- $\mathrm{HNO}_3$ -- $\mathrm{H}_2\mathrm{O}$ -- 
},
     journal = {Doklady Akademii Nauk},
     pages = {1115--1117},
     publisher = {mathdoc},
     volume = {152},
     number = {5},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_5_a22/}
}