§ 19-b. Restraint of discrimination; damages for violations. Any person aggrieved by a violation of section nineteen-a, including but not be limited to, any person who has made a loan, authorized by law, for the purpose of financing the purchase of certificates of stock or other evidence of ownership of an interest in a corporation formed for the purpose of the cooperative ownership of real estate with the state, or any of their lawful successors in interest shall have a right of action in any court of appropriate jurisdiction to restrain such violation and for other equitable remedies, including such affirmative and other relief as may be necessary to undo the effects of such violation.