TY - JOUR AU - Ito, Akio TI - Quasi-variational structure approach to systems with degenerate diffusions JO - Rendiconti del Seminario Matematico della Università di Padova PY - 2022 SP - 169 EP - 235 VL - 147 UR - http://www.numdam.org/articles/10.4171/rsmup/96/ DO - 10.4171/rsmup/96 LA - en ID - RSMUP_2022__147__169_0 ER -