@article{MZM_1981_30_4_a13,
     author = {S. S. Agayan and A. G. Sarukhanyan},
     title = {Recurrence formulas for the construction of {Williamson-type} matrices},
     journal = {Matemati\v{c}eskie zametki},
     pages = {603--617},
     publisher = {mathdoc},
     volume = {30},
     number = {4},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1981_30_4_a13/}
}