@article{DAN_1957_113_4_a21,
     author = {I. R. Krichevskii and G. D. Efremova and G. G. Leont'eva},
     title = {On thermal stability of complexes formed by urea with organic compounds},
     journal = {Doklady Akademii Nauk},
     pages = {817--819},
     publisher = {mathdoc},
     volume = {113},
     number = {4},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_4_a21/}
}