@article{RM_1965_20_6_a7,
     author = {V. I. Godich and I. E. Lutsenko},
     title = {On the representation of a~unitary operator in the form of a~product of two involutions},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {20},
     number = {6},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1965_20_6_a7/}
}