Muzyka, [1950].
출판사
Moscow: Muzyka, [1950]. Plate М. 20170 Г. 기타 참고 사항
Publication date on title page/cover page? WorldCat (no key specified, but the E-flat trio, WorldCat has 37 pages to the 68 of the A minor.) Muzyka, [1950].
출판사
Moscow: Muzyka, [1950]. Plate М. 20170 Г. 기타 참고 사항
Publication date on title page/cover page? WorldCat (no key specified, but the E-flat trio, WorldCat has 37 pages to the 68 of the A minor.) 
