2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/185783In the special case of zero square integral the Kowalevski gyrostat and Goryachev-Chaplygin gyrostat share a simple separation of variables originated from the 4x4 Lax matrix.15 pages, numeration of formulas correctedExactly Solvable and Integrable SystemsHigh Energy Physics - TheoryMathematical Physicstext