@article{DAN_1957_113_4_a22,
     author = {R. Ya. Levina and N. P. Shusherina and M. Yu. Lourier},
     title = {$\delta${-Lactones.} {Transformation} of the dibromides of unsaturated $\delta$-lactones into bromine substituted $\delta$-ketone 
},
     journal = {Doklady Akademii Nauk},
     pages = {820--823},
     publisher = {mathdoc},
     volume = {113},
     number = {4},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_4_a22/}
}