He is the author of more than 50 research works, the first of which was published when Martinelli still was an undergraduate student:[REF] precisely, his research production consist of 47 papers and 30 between treatises, textbooks and various other publications [REF].
The aspects of his personality described before and his deep professional commitment also made him a great teacher:[REF] at least fifteen textbooks on geometry, topology, complex analysis[REF] testify his didactic activity [REF].