@article{DAN_1963_150_3_a23,
     author = {N. P. Zapevalova and T. A. Sokolova and N. M. Bazhenov and A. I. Kol'tsov},
     title = {A method for the production of $\mathrm{N}$-substituted $\beta$-lactams},
     journal = {Doklady Akademii Nauk},
     pages = {551--554},
     publisher = {mathdoc},
     volume = {150},
     number = {3},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_150_3_a23/}
}