The iso 9 system (1995) transcribes each Russian character by a single Latin character:
The character щ is transcribed ŝ (šč / shch)
The characters я and ю are transcribed â and û (ja and ju / ia and iu).
This transcription uses the Latin characters of the Slavic languages.
→ Russian keyboard (Cyrillic alphabet)
→ Russian language: dictionary, pronunciation, grammar
→ Multilingual keyboard: index