Journal of Applied Analysis
Journal of Applied Analysis > 1999 > Vol. 5, nr 2 > 239-247
Journal of Applied Analysis > 2003 > Vol. 9, nr 2 > 261-273
Journal of Applied Analysis > 1999 > Vol. 5, nr 2 > 239-247
Journal of Applied Analysis > 2003 > Vol. 9, nr 2 > 261-273