Full ("gold", marked ) or partial ("green") open-access journals:

Acta Mathematica (published by Institute Mittag-Leffler and International Press of Boston) (P 64)

Bulletin de la Classe de Science de l'Academie royale des Sciences, des Lettres et des Beaux-Arts de Belgique (P 74)

Mathematical Communications (P 1668)

Pliska. Studia Mathematica Bulgarica (P 1655)

Serdica Mathematical Journal (P 1474)