A sketch of the fundamentals of Lobachevskian geometry/
Shirokov, P. A. 1895-1944.
A sketch of the fundamentals of Lobachevskian geometry/ Prepared for publication by I.N. Bronshtein. Translated from the 1st Russian ed. by Leo F. Boron, with the assistance of Ward D. Bouwsma. - Groningen: P. Noordhoff, 1964 [c1963]. - 87 p.: illus., 22 cm.
A translation of the author's [KratkiÁi ocherk osnov geometrii Lobachevskogo] reprinted with changes, in 1950 in [Stroenie neevklidovoÁi geometrii], by P.A. Shirokov and V.F. Kagan.
Bibliography: p. 87.
65001069 //r84
Geometry, Hyperbolic.
516.1 / S558s
A sketch of the fundamentals of Lobachevskian geometry/ Prepared for publication by I.N. Bronshtein. Translated from the 1st Russian ed. by Leo F. Boron, with the assistance of Ward D. Bouwsma. - Groningen: P. Noordhoff, 1964 [c1963]. - 87 p.: illus., 22 cm.
A translation of the author's [KratkiÁi ocherk osnov geometrii Lobachevskogo] reprinted with changes, in 1950 in [Stroenie neevklidovoÁi geometrii], by P.A. Shirokov and V.F. Kagan.
Bibliography: p. 87.
65001069 //r84
Geometry, Hyperbolic.
516.1 / S558s