2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/35190Contrary to a recent claim by Anderson ["The Mathematical Theory of Cosmic Strings", I.O.P. Publishing, Bristol 2003], we show that the Letelier-Gal'tsov metric does represent a system of crossed straight infinite cosmic strings moving with arbitrary constant velocities.3 pagesGeneral Relativity and Quantum CosmologyAstrophysicstext