Lada also uses a 4x98 PCD...
Your best bet is to look at Fiat/Alfa wheels ... they will generallt have the correct PCD (4 x 98) and centre bore size (50.8mm) ... but make sure you get the correct offset for your '46. ET38 or thereabouts?
Otherwise you can get 4 x 100 (Vauxhall) to fit.. but you need to fit a spigot ring to get the 51mm centre bore and you need special bolts (aka "wobble bolts" so that the bolt cup fits in the wheel hole securely when the bolt is in the hub. Otherwise the bolt is just pressing on the inside of the wheel hole.