@article{DAN_1989_306_1_a14,
     author = {K. Ya. Kondrat'ev and V. V. Melent'ev and V. Yu. Aleksandrov},
     title = {Microwave-emission properties of various types of underlying at negative temperatures},
     journal = {Doklady Akademii Nauk},
     pages = {67--70},
     publisher = {mathdoc},
     volume = {306},
     number = {1},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_306_1_a14/}
}