The pattern is available in english and swedish.
How beautiful are these intricate mittens! Swallowtail pattern by Natalia Moreva
Ravelry: Papilio mittens 2 pattern by JennyPenny
Butterfly Spring mittens with lots of possibilities for color use. Duplicate stitch embroidery (optional) adds even more color! The PDF has lots of color ideas.
Ravelry: Papilio mittens pattern by JennyPenny