@article{DAN_1957_112_4_a37,
     author = {M. Usanovich},
     title = {On the liquidus and solidus equations for ideal systems},
     journal = {Doklady Akademii Nauk},
     pages = {714--715},
     publisher = {mathdoc},
     volume = {112},
     number = {4},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_112_4_a37/}
}