Search results for: S. Stihi
Ukrainian Mathematical Journal > 2019 > 71 > 4 > 572-588
Opuscula Mathematica > 2018 > Vol. 38, no. 2 > 261--283
Ukrainian Mathematical Journal > 2019 > 71 > 4 > 572-588
Opuscula Mathematica > 2018 > Vol. 38, no. 2 > 261--283