@article{IM2_1981_16_1_a10,
     author = {A. S. Tikhomirov},
     title = {A four-dimensional bundle of quadrics, and a~monad},
     journal = {Izvestiya. Mathematics },
     pages = {207--220},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1981_16_1_a10/}
}