Search results for: Petteri Harjulehto
Mathematische Nachrichten > 295 > 2 > 345 - 362
Journal of Mathematical Analysis and Applications > 2013 > 399 > 2 > 676-681
Mathematische Nachrichten > 295 > 2 > 345 - 362
Journal of Mathematical Analysis and Applications > 2013 > 399 > 2 > 676-681