Complex sentence: Nevertheless a solution was found with The famous German mathematician Georg Hamel being the first who tried to solve the problem but a recognized independent solution for dimension 2 and 3 is considered to be given by armenian mathematician Rouben V. Ambartzumian.
Split into simpler sentences: Nevertheless a solution was found with the German mathematician Georg Hamel being the first who tried to solve the problem. A recognized independent solution for dimension 2 and 3 is considered to be given by Armenian mathematician Rouben V. Ambartzumian.