английский/In memory of Henri J. M. Claessen .In memory of Henri J. M. Claessen.In memory of Henri J. M. Claessen.Moscow/Uchitel/, 2023 ( ). - Uchitel, 2023.In memory of Henri J. M. Claessen. Moscow, 2023 .Claessen, Henri Joannes Maria, Прочие (1930-2022)/