@article{DAN_1961_139_1_a32,
     author = {N. I. Shuykin and B. L. Lebedev},
     title = {Alkylation of tetrahydrofuran by ethylene},
     journal = {Doklady Akademii Nauk},
     pages = {131--133},
     publisher = {mathdoc},
     volume = {139},
     number = {1},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_139_1_a32/}
}